Add 20/30 and 42/35
1st number: 20/30, 2nd number: 1 7/35
20/30 + 42/35 is 28/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
20/30 = 20 × 7/30 × 7 = 140/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
42/35 = 42 × 6/35 × 6 = 252/210 - Add the two like fractions:
140/210 + 252/210 = 140 + 252/210 = 392/210 - 392/210 simplified gives 28/15
- So, 20/30 + 42/35 = 28/15
In mixed form: 113/15
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